---
title: "Changes to Lookup phone number data"
method: GET
path: "/number_lookup/{phone_number}"
---

# Changes to Lookup phone number data

`GET /number_lookup/{phone_number}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 3 of 89 revisions.

- **2026-10-22** `4de6bba1c49d`: 12 warning, 6 info
- **2026-10-21** `67df31283a8a`: 2 breaking, 2 info
- **2026-10-15** `a72569d69430`: 2 breaking

## Changes

- **2026-10-22** `4de6bba1c49d`: 12 warning, 6 info
  - added the new `fixed line` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `fixed line or mobile` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `mobile` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `pager` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `personal number` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `premium rate` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `shared cost` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `toll free` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `uan` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `unknown` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `voicemail` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new `voip` enum value to the `data/portability/line_type` response property for the response status `200`
  - added the new enum value `caller-identity` to the `query` request parameter `type`
  - added the new enum value `enhanced-caller-name` to the `query` request parameter `type`
  - added the optional property `data/caller_identity` to the response with the `200` status
  - added the optional property `data/enhanced_caller_name` to the response with the `200` status
  - added the optional property `data/nnid_override` to the response with the `200` status
  - added the optional property `data/valid_number` to the response with the `200` status
- **2026-10-21** `67df31283a8a`: 2 breaking, 2 info
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `422`
  - the `errors/items/code` response's property type changed from `integer` to `string`, and format from `int32` to no format for status `default`
  - added the optional property `errors/items/description` to the response with the `422` status
  - added the optional property `errors/items/description` to the response with the `default` status
- **2026-10-15** `a72569d69430`: 2 breaking
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `422`
  - the `errors/items/code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `default`

---

[Operation](https://skmtc.dev/team-telnyx/apis/telnyx-api/docs/number_lookup/:phone_number/get.md) - [API](https://skmtc.dev/team-telnyx/apis/telnyx-api.md) - [Page](https://skmtc.dev/team-telnyx/apis/telnyx-api/changes/number_lookup/:phone_number/get)